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What does java:comp/env/ do?

... Quoting https://web.archive.org/web/20140227201242/http://v1.dione.zcu.cz/java/docs/jndi-1.2/tutorial/beyond/misc/policy.html At the root context of the namespace is a binding with the name "comp", which is bound to a subtree...
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Chrome: timeouts/interval suspended in background tabs?

...b noise, -60db doesn't work) I play them, on user-demand, with Howler.js: https://github.com/goldfire/howler.js function performance_trick() { if(sounds.empty) return sounds.empty.play(); sounds.empty = new Howl({ src: ['/sounds/loops/empty_loop_for_js_performance.ogg','/sounds/loo...
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GUI not working after rewriting to MVC

...JFrame; import javax.swing.JLabel; import javax.swing.JPanel; /** * @see https://stackoverflow.com/q/3066590/230513 * 15-Mar-2011 r8 https://stackoverflow.com/questions/5274962 * 26-Mar-2013 r17 per comment */ public class MVCGame implements Runnable { public static void main(String[] args...
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A good book for learning D3.js [closed]

...r two page post) for then jumping off into the other tutorials available. https://github.com/mbostock/d3/wiki/Tutorials Also, consider what you want to end up doing with d3. By itself, d3 is really powerful yet fairly low-level, meaning: if you just need to make a bar chart instead of a NY Times e...
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jQuery: Performing synchronous AJAX requests

...its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/. Firefox: Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help http://xhr.spec.whatwg.org/ ...
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Pull request vs Merge request

...assignee. In this article we’ll refer to them as merge requests. -- https://about.gitlab.com/2014/09/29/gitlab-flow/ share | improve this answer | follow ...
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Django URL Redirect

...L 'hola-home' from app named hola # for more redirect's usage options: https://docs.djangoproject.com/en/2.1/topics/http/shortcuts/ path('', lambda request: redirect('hola/', permanent=True)), path('hola/', include('hola.urls')), ] ...
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Where do I find the current C or C++ standard documents?

...nic versions of the standard C89 – Draft version in ANSI text format: (https://web.archive.org/web/20161223125339/http://flash-gordon.me.uk/ansi.c.txt) C90 TC1; ISO/IEC 9899 TCOR1, single-page HTML document: (http://www.open-std.org/jtc1/sc22/wg14/www/docs/tc1.htm) C90 TC2; ISO/IEC 9899 TCOR2, s...
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Rails 3: I want to list all paths defined in my rails application

...outes, by going to http://localhost:3000/rails/info/routes. Official docs: https://guides.rubyonrails.org/routing.html#listing-existing-routes Though, it may be late, But I love the error page which displays all the routes. I usually try to go at /routes (or some bogus) path directly from the bro...
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How to run cron job every 2 hours

... 0 */2 * * * The answer is from https://crontab.guru/every-2-hours. It is interesting. share | improve this answer | follow ...